Which expressions are a factor of -48xyz -24xy +40
select all that apply.
a. 4
b. 24
c. 3x
d. 8y
e. 2xy
f. 6xy
g. xyz

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Divide. write in simplest form 41/6 divided by 10

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.